A man pushes a lawn mower on a level lawn with a force of 200N. If only 60% of the totalapplied force is used in the direction of the motion and 40% force is directed downward, thenhow much work is done by the man in pushing the mower 6m distance?

Q: Three clowns move a 275 kg crate 10.5 m to the right across a smooth floor. Take the positive…

A: The expression for the work done is as follows: W=F→·d→W=Fdcosθ               1 The expression to…

Q: In the figure, the rock weighs 130 lb and is lifted 1 ft by the lever. F Fulcrum 3F 3d (a) How much…

A: Given data: a)Force F=130lb    Distance d=1 ft b) Distance d=3 ft

Q: how much more work will be required to stretch it an additional 4.0 cm?

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Q: A man pushes a lawn mower with a horizontal force of 138 N. If he pushes the lawn mower 5.2 m in 15…

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Q: A 10.0m B nok D A force is applied to several boxes. Rank the five situations shown in the figure…

A: This problem can be solved using the formula  W=F→.S→=F→S→ cos θW=work doneF=force…

Q: A 5.6-kg box slides a distance of 13.0-m. If the coefficient of kinetic friction is 0.33, what is…

A: The given data   The mass of the box m = 5.6 kg The distance moved by the box is d = 13 m The…

Q: If a .770 kg ball is tied to a 1.5m string and swung in a vertical circle, what is the work done by…

A: Given:mass of ball (m) = 0.77 kg. length of string (l) = 1.5 m. displacement by string = 2l = 3 m.

Q: It takes a force of 35.17 Newtons to stretch a 34-cm spring to 81-cm and hold it there. How much was…

A:

Q: An apple weighing 1 N falls throughas a distance of 1 m. How much work is done on the apple by the…

A: weight of apple(W)= 1N Distance(d)=1m Work done=F.d=Fdcosθ F is force θ is angle between force and…

Q: A boy pulls a sled with a force of 10 lb for 100 ft. The rope attached to the sled is at an angle of…

A: Given: force applied by boy, F = 10 lb = 10(4.44822) = 44.4822 N  (since 1 lb force = 4.44822 N)…

Q: A lawn roller has been pushed by a gardener hrough a distance of 30 m. What will be the work done by…

A: Work is done when a force acts upon an object to cause a displacement.  Here, we  calculate the…

Q: A new record for running the stairs of the Empire State Building was set on February 4, 2003. Thee…

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Q: A body of mass 30 kg is at rest. A force of 5 N is applied on it. Calculate the work done in first…

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Q: 1040 kg car is travelling at a velocity of 8.2 m/s.  How much work must be done by the engine to…

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Q: A force of 80N [left] is applied to a desk making it slide 12 m [left] across the floor. How much…

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Q: Calculate the work done by a 50 N force pushing a cube 0.25 m.

A: We know thatW=F×dWhereW=workdoneF=forced=distance travelled in the direction of force

Q: Calculate the work done by a 40 N force pushing a 0.5 kg toy 2.3 m.

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Q: A big man is towing a large box with a cord that makes an angle of 25 degreeswith the horizontal.The…

A: Force applied on box = 100 N displacement of box = 2 meter angle between force and displacement…

Q: How much work is done by a 100N force if the box moves 4m. But the force is at an angle such that…

A:

Q: A box with a mass of 3.0 kg is accelerated from rest by a constant force across a floor at a rate of…

A: Given data:  Mass (m) = 3.0 kg Initial velocity (u) = 0 m/s Final velocity (v) = 1.7 m/s Time (t) =…

Q: A skier of mass 70 kg if pulled up a slope by a motor-driven cable. (a) How much work isrequired to…

A: Power of motor is 613.2WExplanation:

Q: A skier of mass 63 kg is pulled up a slope by a motor-driven cable. (a) How much work is required to…

A: Given:- mass of the skier m= 63 kg height h= 40 m slop is The speed of the skier is v= 2.3 m/s…

Q: F2 = 20 N F1 = 40 N 30° ----- 30° F3 = 50 N

A:

Q: It takes a force of 28.22 Newtons to stretch a 49-cm spring to 117-cm and hold it there. How much…

A: Given Required force is F=28.22 N Initial length of the spring is l0=49 cm=0.49 m Final length of…

Q: how many cm can a dog pull a sled to the left if it exerts 230 N of parallael force while doing 175…

A:

Q: leration, if the effec ures.

A: Given: Mass of crate is 45 Kg Distance is 10.1 m Friction coefficient is 0.6

Q: Calculate the work done by an archer in pulling a bow if she pulls her bowstring back 0.455 m by…

A:

Q: An automobile is pushed 14 ft by a woman exerting 117 lb of force horizontally on the vehicle. How…

A: Given data, Force applied F=117 lb Displacement d=14 ft

Q: Calculate the work done by a 53 N force pushing a pencil 16cm

A: Given data:      Force, F = 53 N       Displacement, d = 16 cm = 0.16 m

Q: A boy pushes a book by applying a force of 40 N. Find the work done by this force as the book is…

A:

Q: Calculate the work performed by a horse pulling a wagon forward with 150 N of force, across a bridge…

A: Force applied by the horse (F) = 150 N Length of bridge (L) = 50 m Mass of horse (M) = 50 kg

Q: How much work did the movers do (horizontally) pushing a 46.0-kg crate 10.6 m across a rough floor…

A: Given- Mass of crate (m) = 46 Kg Distance (d) = 10.6 m Coefficient of friction (μ) = 0.50

Q: A box is dragged across the floor by a constant force of 50N. If the force makes and angle of 37…

A: The equation for the work done is given by

Q: An ox can apply a maximum force of 1000N. It is taking part in a cart race and is able to pull the…

A: Power (P) equals force (F) times velocity (v).  P = F•v